Iithayile zomgangatho ohlukeneyo, ipleyiti yomgangatho weplanga elaminethiweyo, ipleyiti yomgangatho weplasitiki, ishidi lerabha lokubeka irabha kunye nephepha lePVC lomgangatho zizonke zikwindawo yonikezelo lweCDPH yokuhombisa umgangatho wangaphakathi nangaphandle.